Opened 8 years ago

Closed 8 years ago

#16530 closed defect (fixed)

Caching error for function field extensions

Reported by: Julian Rüth Owned by:
Priority: major Milestone: sage-6.3
Component: commutative algebra Keywords: sd59, function fields
Cc: Merged in:
Authors: Julian Rueth Reviewers: Martin Albrecht
Report Upstream: N/A Work issues:
Branch: a1cc92d (Commits, GitHub, GitLab) Commit: a1cc92d80e6d4a57a3696a5407770d1d21fb09e4
Dependencies: Stopgaps:

Status badges

Description (last modified by Julian Rüth)

Currently, we have the following behaviour

sage: K.<x> = FunctionField(QQ)
sage: R.<y> = K[]
sage: L.<y> = K.extension(y^2-x)
sage: R.<z> = L[]
sage: M.<z> = L.extension(z-1)
sage: R.<z> = K[]
sage: N.<z> = K.extension(z-1)
sage: N is M

Change History (4)

comment:1 Changed 8 years ago by Julian Rüth

Branch: u/saraedum/ticket/16530
Created: Jun 25, 2014, 12:41:40 AMJun 25, 2014, 12:41:40 AM
Modified: Jun 25, 2014, 12:41:40 AMJun 25, 2014, 12:41:40 AM

comment:2 Changed 8 years ago by Julian Rüth

Description: modified (diff)
Status: newneeds_review

comment:3 Changed 8 years ago by Martin Albrecht

Commit: a1cc92d80e6d4a57a3696a5407770d1d21fb09e4
Reviewers: Martin Albrecht
Status: needs_reviewpositive_review

Looks good.

New commits:

a1cc92dFix uniqueness of function field extensions

comment:4 Changed 8 years ago by Volker Braun

Branch: u/saraedum/ticket/16530a1cc92d80e6d4a57a3696a5407770d1d21fb09e4
Resolution: fixed
Status: positive_reviewclosed
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